-- download at MT.QZX.COM (delay.lua)

local o = "a" -- output
local i = "c" -- input
local tl = 180 -- wait 180s after input pulse
local th = 5 -- then output for 5s

if event.type == "on" and pin[i] then
	port[o] = false
	interrupt(tl, "hi")
elseif event.iid == "hi" then
	port[o] = true
	interrupt(th, "lo")
elseif event.iid == "lo" then
	port[o] = false
end